Provided is a rectangular thin panel conveyance unit that can, when the rectangular thin panels are piled up and conveyed, facilitate the positioning of the cushion spacer on the upper surface of the rectangular thin panel and can pile up the thin panels safely and efficiently. The thin panel conveyance unit used for piling up and conveying a plurality of rectangular thin panels includes: resin cushion spacers inserted between the rectangular thin panels, each resin cushion spacer having a load-receiving upper surface for receiving load of the rectangular thin panel disposed above and a placement lower surface placed on an upper surface of the rectangular thin panel disposed below, and having an end part provided with a positioning body for the resin cushion spacer; a pallet having an upper surface configured to allow the rectangular thin panels to be piled up thereon; and a protection sleeve surrounding the piled rectangular thin pallets. The upper surface of the pallet is provided with a peripheral groove in which the protection sleeve can be fitted.